export declare class KeyManager {
    static getKeychainRef(keyType: 'root' | 'agent', projectId?: string, clientName?: string): string;
    private createEntry;
    storeRootKey(privateKeyJwk: string): void;
    getRootKey(): string | null;
    deleteRootKey(): void;
    storeAgentKey(projectId: string, clientName: string, privateKeyJwk: string): void;
    getAgentKey(projectId: string, clientName: string): string | null;
    deleteAgentKey(projectId: string, clientName: string): void;
    storeSessionToken(token: string): void;
    getSessionToken(): string | null;
    deleteSessionToken(): void;
    private envAccount;
    storeEnvSecret(profile: string, key: string, value: string): void;
    getEnvSecret(profile: string, key: string): string | null;
    deleteEnvSecret(profile: string, key: string): void;
}
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